dzhokhar tsarnaev to investigators, we do not know if that was before or after he receivedhismirandawarningsor before or after he obtained counsel. that's an excellent point. one of the things we do know that he is saying apparently is that it was his brother tamerlan who was the mastermind here. is that something that could be helpful to his defense if he was merely following his brother? >> well, it will be helpful to his defense in the sense of mitigating the penalty that he might end up suffering. from what i've read and what i've seen, he's clearly as culpable as his brother. the videos that they picked up, and the statements that he made to the driver of the suv, all would indicate that he was a willing participant in this crime, and also the fact that he fled from the scene would further indicate his willingness to participate in this crime. however, any influence that he might have suffered from his brother, his brother's influence on him, may again go to mitigate any penalty that might be imposed upon him. whether he ends up getting the death penalty or whether he ends up